19913728

素因数分解:

$2^{10}\times {\mathrm{19447}}^1$

素因数の和:19467

約数の個数: 22

約数和(自身を含む): 39810056

約数和(自身を除く): 19896328

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19447, 38894, 77788, 155576, 311152, 622304, 1244608, 2489216, 4978432, 9956864, 19913728]

約数ペア:

[(1, 19913728), (2, 9956864), (4, 4978432), (8, 2489216), (16, 1244608), (32, 622304), (64, 311152), (128, 155576), (256, 77788), (512, 38894), (1024, 19447)]